openSUSE Security Update: Security update for exim ______________________________________________________________________________ Announcement ID: openSUSE-SU-2016:0721-1 Rating: important References: #968844 Cross-References: CVE-2016-1531 Affected Products: openSUSE Leap 42.1 openSUSE 13.2 ______________________________________________________________________________ An update that fixes one vulnerability is now available. Description: This update to exim 4.86.2 fixes the following issues: * CVE-2016-1531: local privilege escalation for set-uid root exim when using 'perl_startup' (boo#968844) Important: Exim now cleans the complete execution environment by default. This affects Exim and subprocesses such as transports calling other programs. The following new options are supported to adjust this behaviour: * keep_environment * add_environment A warning will be printed upon startup if none of these are configured. Also includes upstream changes, improvements and bug fixes: * Support for using the system standard CA bundle. * New expansion items $config_file, $config_dir, containing the file and directory name of the main configuration file. Also $exim_version. * New "malware=" support for Avast. * New "spam=" variant option for Rspamd. * Assorted options on malware= and spam= scanners. * A commandline option to write a comment into the logfile. * A logging option for slow DNS lookups. * New ${env {<variable>}} expansion. * A non-SMTP authenticator using information from TLS client certificates. * Main option "tls_eccurve" for selecting an Elliptic Curve for TLS. * Main option "dns_trust_aa" for trusting your local nameserver at the same level as DNSSEC. Patch Instructions: To install this openSUSE Security Update use YaST online_update. Alternatively you can run the command listed for your product: - openSUSE Leap 42.1: zypper in -t patch openSUSE-2016-326=1 - openSUSE 13.2: zypper in -t patch openSUSE-2016-326=1 To bring your system up-to-date, use "zypper patch". Package List: - openSUSE Leap 42.1 (i586 x86_64): exim-4.86.2-8.1 exim-debuginfo-4.86.2-8.1 exim-debugsource-4.86.2-8.1 eximon-4.86.2-8.1 eximon-debuginfo-4.86.2-8.1 eximstats-html-4.86.2-8.1 - openSUSE 13.2 (i586 x86_64): exim-4.86.2-3.10.1 exim-debuginfo-4.86.2-3.10.1 exim-debugsource-4.86.2-3.10.1 eximon-4.86.2-3.10.1 eximon-debuginfo-4.86.2-3.10.1 eximstats-html-4.86.2-3.10.1 References: https://www.suse.com/security/cve/CVE-2016-1531.html https://bugzilla.suse.com/968844